Package org.codehaus.groovy.util

## Class LockableObject

- java.lang.Object
- - java.util.concurrent.locks.AbstractOwnableSynchronizer
  - - java.util.concurrent.locks.AbstractQueuedSynchronizer
    - - org.codehaus.groovy.util.LockableObject

- All Implemented Interfaces:
    `Serializable`
  Direct Known Subclasses:
    `AbstractConcurrentMapBase.Segment`, `LazyReference`

      public class LockableObject
      extends AbstractQueuedSynchronizer

  A bit simplified lock designed to be inherited by.
  See Also:
    Serialized Form

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class java.util.concurrent.locks.AbstractQueuedSynchronizer

      `AbstractQueuedSynchronizer.ConditionObject`

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `LockableObject()` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `protected boolean` | `isHeldExclusively()` |
    `void` | `lock()` |
    `protected boolean` | `tryAcquire​(int acquires)` |
    `protected boolean` | `tryRelease​(int releases)` |
    `void` | `unlock()` |

    - ### Methods inherited from class java.util.concurrent.locks.AbstractQueuedSynchronizer

      `acquire, acquireInterruptibly, acquireShared, acquireSharedInterruptibly, compareAndSetState, getExclusiveQueuedThreads, getFirstQueuedThread, getQueuedThreads, getQueueLength, getSharedQueuedThreads, getState, getWaitingThreads, getWaitQueueLength, hasContended, hasQueuedPredecessors, hasQueuedThreads, hasWaiters, isQueued, owns, release, releaseShared, setState, toString, tryAcquireNanos, tryAcquireShared, tryAcquireSharedNanos, tryReleaseShared`

    - ### Methods inherited from class java.util.concurrent.locks.AbstractOwnableSynchronizer

      `getExclusiveOwnerThread, setExclusiveOwnerThread`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### LockableObject

          public LockableObject()

  - ### Method Detail

    - #### isHeldExclusively

          protected final boolean isHeldExclusively()

      Overrides:
        `isHeldExclusively` in class `AbstractQueuedSynchronizer`

    - #### lock

          public final void lock()

    - #### unlock

          public final void unlock()

    - #### tryAcquire

          protected final boolean tryAcquire​(int acquires)

      Overrides:
        `tryAcquire` in class `AbstractQueuedSynchronizer`

    - #### tryRelease

          protected final boolean tryRelease​(int releases)

      Overrides:
        `tryRelease` in class `AbstractQueuedSynchronizer`